The School Of San Juan - Alianza serves 548 students in grades Prekindergarten-12.
The percentage of students achieving proficiency in math is 29% (which is higher than the Puerto Rico state average of 23%).
The student-teacher ratio of 8:1 is lower than the Puerto Rico state level of 10:1.
Quick Facts (2026)
- School Type: Charter School
- Grades: Prekindergarten-12
- Enrollment: 548 students
- Student-Teacher Ratio: 8:1
- Math Proficiency: 29% (Top 50% in PR)
- Source: National Center for Education Statistics (NCES), PR Dept. of Education
School Overview
The School Of San Juan - Alianza's student population of 548 students has grown by 12% over five school years.
The teacher population of 65 teachers has grown by 10% over five school years.
School Type
Grades Offered
Grades Prekindergarten-12
Total Students
548 students
Total Classroom Teachers
65 teachers
School Rankings
The diversity score of The School Of San Juan - Alianza is 0.02, which is more than the diversity score at state average of 0.01. The school's diversity has stayed relatively flat over five school years.
Math Test Scores (% Proficient)
29%
23%
Student-Teacher Ratio
8:1
10:1
American Indian
n/a
n/a
Asian
n/a
n/a
Hispanic
99%
100%
Black
1%
n/a
White
n/a
n/a
Hawaiian
n/a
n/a
Two or more races
n/a
n/a
All Ethnic Groups
Eligible for Free Lunch
71%
74%
Eligible for Reduced Lunch
13%
14%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PR Dept. of Education
Frequently Asked Questions
How many students attend The School Of San Juan - Alianza?
548 students attend The School Of San Juan - Alianza.
What is the racial composition of the student body?
99% of The School Of San Juan - Alianza students are Hispanic, and 1% of students are Black.
What is the student-teacher ratio of The School Of San Juan - Alianza?
The School Of San Juan - Alianza has a student ration of 8:1, which is lower than the Puerto Rico state average of 10:1.
What grades does The School Of San Juan - Alianza offer ?
The School Of San Juan - Alianza offers enrollment in grades Prekindergarten-12
What school district is The School Of San Juan - Alianza part of?
The School Of San Juan - Alianza is part of Puerto Rico Department Of Education School District.
School Reviews
Review The School Of San Juan - Alianza. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Media Literacy as a Core Skill: How to Tell if a School Teaches It Well
Learn how to evaluate whether a public school teaches media literacy effectively, from fact-checking and source evaluation to digital citizenship and critical thinking.
Screen Time, Paper Learning, and the New Back-to-Basics Debate
Explore why some public schools are reducing screen time, bringing back paper learning, and rethinking the balance between technology and traditional instruction.
Student Data, AI Tools, and Privacy: Questions to Ask Your District
Learn how public schools use AI, protect student data, and the key privacy questions every parent should ask their school district in 2026.
